EFD1000 Installation Manual
DOCUMENT # A-01-126-00 PAGE 65-225 Revision H
© Copyright 2009 Aspen Avionics Inc.
An unpainted surface of the ACU case must be bonded to aircraft ground either
through mounting to a metal shelf or with an installer fabricated bonding strap of wire
braid or single stranded wire no more than 12 inches in length. Attach ground lug of
bonding strap to one of the mounting screws if required.
Verify ACU case to airframe ground has less than 3 milliohms of resistance.
Should a shelf or bracket need to be fabricated in order to install the ACU it is beyond
the scope of this STC and will require separate FAA approval for that modification.
15
20
1
1
14
37
19
13
25
1
9
8
Figure 6.18 – ACU Dimensions (inches)
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